flowering hormone

例句：

1. 1.The flowering hormones are essential for plant growth and development.
   开花激素对植物的生长和发育至关重要。
2. 2. The discovery of the flowering hormone has revolutionized the field of plant science.
   发现开花激素这一发现，彻底改变了植物科学领域。
3. 3. Researchers have been studying the flowering hormone to understand how it affects plant growth.
   研究人员一直在研究开花激素，以了解它如何影响植物生长。